<template>
  <view class="content">
    <!-- 为了展示个各种文本，图像，绘图demo -->
    <draw-demo ref="canvasDemo" />

    <img
      class="poster-img"
      src="https://huangchunhongzz.gitee.io/imgs/poster/poster_1.jpg"
      alt=""
      srcset=""
    />
    <button class="share-btn" @tap="shareEvn">生成海报模板</button>
    <!-- 分享弹窗-->
    <view class="share-pro">
      <view class="share-pro-mask" v-if="deliveryFlag"></view>
      <view class="share-pro-dialog" :class="deliveryFlag ? 'open' : 'close'">
        <view class="close-btn" @tap="handleClose">
          <span class="font_family">&#xe81d;</span>
        </view>
        <view class="share-pro-title">分享</view>
        <view class="share-pro-body">
          <view class="share-item">
            <button open-type="share">
              <view class="font_family share-icon">&#xe786;</view>
              <view>分享给好友</view>
            </button>
          </view>
          <view class="share-item" @tap="handleShowPoster">
            <view class="font_family share-icon">&#xe600;</view>
            <view>生成分享图片</view>
          </view>
        </view>
      </view>
    </view>
    <hch-poster
      ref="hchPoster"
      @cancel="handleCancel"
      :posterData.sync="posterData"
      @previewImage="previewImage"
    />
  </view>
</template>

<script>
import HchPoster from "../../components/hch-poster/hch-poster.vue";
import DrawDemo from "../../components/hch-poster/draw-demo.vue";
export default {
  components: {
    HchPoster,
    DrawDemo,
  },
  data() {
    return {
      deliveryFlag: false, //
      // 海报模板数据
      posterData: {
        poster: {
          //根据屏幕大小自动生成海报背景大小
          url: "https://huangchunhongzz.gitee.io/imgs/poster/poster_bg_3.png", //图片地址
          r: 10, //圆角半径
          w: 300, //海报宽度
          h: 480, //海报高度
          p: 20, //海报内边距padding
        },
        mainImg: {
          //海报主商品图
          url: "https://huangchunhongzz.gitee.io/imgs/poster/product.png", //图片地址
          r: 10, //圆角半径
          w: 250, //宽度
          h: 200, //高度
        },
        title: {
          //商品标题
          text: "今日上新水果，牛奶草莓，颗粒饱满，每盒 200g", //文本
          fontSize: 16, //字体大小
          color: "#000", //颜色
          lineHeight: 25, //行高
          mt: 20, //margin-top
        },
        codeImg: {
          //小程序码
          url: "https://huangchunhongzz.gitee.io/imgs/poster/code.png", //图片地址
          w: 100, //宽度
          h: 100, //高度
          mt: 20, //margin-top
          r: 50, //圆角半径
        },
        tips: [
          //提示信息
          {
            text: "记忆之王", //文本
            fontSize: 14, //字体大小
            color: "#2f1709", //字体颜色
            align: "center", //对齐方式
            lineHeight: 25, //行高
            mt: 20, //margin-top
          },
          {
            text: "长按/扫描识别查看商品", //文本
            fontSize: 12, //字体大小
            color: "#2f1709", //字体颜色
            align: "center", //对齐方式
            lineHeight: 25, //行高
            mt: 20, //margin-top
          },
        ],
      },
    };
  },
  onLoad() {},
  methods: {
    /**
     * @description: 生成海报
     * @param {type}
     * @return {type}
     * @author: hch
     */
    handleShowPoster() {
      this.$refs.hchPoster.posterShow();
      this.deliveryFlag = false;
    },
    /**
     * @description: 分享弹窗
     * @param {type}
     * @return {type}
     * @author: hch
     */
    shareEvn(type) {
      this.deliveryFlag = true;
    },
    /**
     * @description: 关闭分享弹窗
     * @param {type}
     * @return {type}
     * @author: hch
     */
    handleClose() {
      this.deliveryFlag = false;
    },
    /**
     * @description: 取消海报
     * @param {type}
     * @return {type}
     * @author: hch
     */
    handleCancel(val) {
      // this.canvasFlag = val
    },
    /**
     * @description: h5的情况下，点击海报保存按钮到图片预览海报，可以长按保存
     * @param {*} base64
     * @return {*}
     * @author: hch
     */
    previewImage(base64) {
      // 预览图片
      uni.previewImage({
        urls: [base64],
      });
    },
  },
};
</script>

<style lang="scss">
/* 每个页面公共css 放app.vue页面的 */
@font-face {
  font-family: "font_family"; /* project id 1991769 */
  src: url("//at.alicdn.com/t/font_1991769_u8wpg8jfhpq.eot");
  src: url("//at.alicdn.com/t/font_1991769_u8wpg8jfhpq.eot?#iefix")
      format("embedded-opentype"),
    url("//at.alicdn.com/t/font_1991769_u8wpg8jfhpq.woff2") format("woff2"),
    url("//at.alicdn.com/t/font_1991769_u8wpg8jfhpq.woff") format("woff"),
    url("//at.alicdn.com/t/font_1991769_u8wpg8jfhpq.ttf") format("truetype"),
    url("//at.alicdn.com/t/font_1991769_u8wpg8jfhpq.svg#iconfont") format("svg");
}

.font_family {
  font-family: "font_family" !important;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-style: normal;
  -webkit-text-stroke-width: 0.2px;
}

/* 按钮去掉边框 */
button::after {
  border: none;
}

button {
  height: auto; //支付宝需要加
  padding-right: 0;
  padding-left: 0;
  margin-right: 0;
  margin-left: 0;
  font-size: 28rpx;
  line-height: 1;
  color: #1c1c1c;
  background: none;
  border: none; //支付宝需要加
}

.button-hover {
  color: #1c1c1c;
  background: none;
}

.poster-img {
  width: 40%;
}

/* 每个页面公共css */
.content {
  height: 100%;
  text-align: center;
}

.share-btn {
  padding: 30rpx 60rpx;
  color: $uni-text-color-inverse;
  background-color: $u-theme-color;
}

.share-pro {
  z-index: 5;
  display: flex;
  line-height: 1;
  box-sizing: border-box;
  align-items: center;
  justify-content: flex-end;
  flex-direction: column;

  .share-pro-mask {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
  }

  .share-pro-dialog {
    position: relative;
    position: fixed;
    bottom: 0;
    width: 750rpx;
    height: 310rpx;
    overflow: hidden;
    background-color: #fff;
    border-radius: 24rpx 24rpx 0 0;
    box-sizing: border-box;

    .close-btn {
      position: absolute;
      top: 0rpx;
      right: 29rpx;
      padding: 20rpx 15rpx;
    }

    .share-pro-title {
      padding: 28rpx 41rpx;
      font-size: 28rpx;
      color: #1c1c1c;
      background-color: #f7f7f7;
    }

    .share-pro-body {
      display: flex;
      font-size: 28rpx;
      color: #1c1c1c;
      flex-direction: row;
      justify-content: space-around;

      .share-item {
        display: flex;
        flex-direction: column;
        justify-content: center;
        justify-content: space-around;

        .share-icon {
          margin-top: 39rpx;
          margin-bottom: 16rpx;
          font-size: 70rpx;
          color: #42ae3c;
          text-align: center;
        }

        &:nth-child(2) {
          .share-icon {
            color: #ff5f33;
          }
        }
      }
    }
  }

  /* 显示或关闭内容时动画 */

  .open {
    transform: translateY(0);
    transition: all 0.3s ease-out;
  }

  .close {
    transform: translateY(310rpx);
    transition: all 0.3s ease-out;
  }
}
</style>
